How many atoms are in 159g of calcium

How many words can u type in a min

When writing a PSA, it is not necessary to brainstorm because you already have all of the information from your persuasive essay.

Mention the basic tendency of an atom which makes it to combine with other atoms.

Calculate ΔSrxn∘ for the reaction 2NO (g) + O2 (g) →2NO2 (g) Substance S∘ (J/mol⋅K) NO2 240.0 O2 205.2 NO 210.8

The atomic weight of copper, CuCu, is listed as 63.546. Which of the following statements are untrue:Check all that apply. All the copper atoms have 29 protons in the nucleus. The number of electrons in the copper atoms is independent of atomic mass.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda